Step-by-step explanation:
10% of £22
10/100×22/1
2.2%
5% of £22
5/100×22/1
1.1%
15% of 22£
15/100×22/1
3.3%
The formula for an area of a circle is
A=pi times radius squared
there for you do pi times 9.5 to the power of two/squared (radius is half of the diameter so 19 divided by 2 is 9.5)
pi times 9.5 squared
= 283.5
I rounded to the nearest tenths
Answer: 55 to 90 for math; 50 to 90 for language arts
Step-by-step explanation: